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What is the main form of nitrogenous waste released by aquatic invertebrates to their environment?
Median
The score that falls in the middle of all the scores on the test; also called the 50th percentile.
Predictive Validity
When a scale is related to a concrete outcome or behavior.
Discriminant Validity
The extent to which a construct is truly distinct from other constructs by empirical standards, often assessed through its lack of correlation with unrelated constructs.
Convergent Validity
When a scale correlates with other scales measuring the same construct.
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